Cited by 1,278Cell death mechanisms and regulationNF-κB Signaling PathwaysInflammasome and immune disorders

Catalytic activity of the caspase-8–FLIPL complex inhibits RIPK3-dependent necrosis

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Oberst, Andrew, Dillon, Christopher P., Weinlich, Ricardo, McCormick, Laura L., Fitzgerald, Patrick, Pop, Cristina, Hakem, Razq, Salvesen, Guy S. +1 more·2011·Nature

Abstract

Caspase-8 has two opposing biological functions--it promotes cell death by triggering the extrinsic pathway of apoptosis, but also has a survival activity, as it is required for embryonic development, T-lymphocyte activation, and resistance to necrosis induced by tumour necrosis factor-α (TNF-α) and related family ligands. Here we show that development of caspase-8-deficient mice is completely rescued by ablation of receptor interacting protein kinase-3 (RIPK3). Adult animals lacking both caspase-8 and RIPK3 display a progressive lymphoaccumulative disease resembling that seen with defects in CD95 or CD95-ligand (also known as FAS and FASLG, respectively), and resist the lethal effects of CD95 ligation in vivo. We have found that caspase-8 prevents RIPK3-dependent necrosis without inducing apoptosis by functioning in a proteolytically active complex with FLICE-like inhibitory protein long (FLIP(L), also known as CFLAR), and this complex is required for the protective function.

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  • Assembly of necrosome upon TNFR1 stimulation impinges on two conditions: pharmacological or genetic CASP8 inactivation, and RIPK1 deubiquitination-dependent phosphorylation (at least in some settings), which can be favored by SMAC mimetics.

    “In addition, the assembly of the necrosome upon TNFR1 stimulation impinges on two conditions: (1) pharmacological or genetic CASP8 inactivation [478, 479], and (2) RIPK1 deubiquitination-dependent phosphorylation (at least in some settings), which can be favored by exogenously provided SMAC mimetics, ensuring the release of RIPK1 from complex I (see above) [334, 335, 480, 481].”

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Research works printed but not linked: 2

  1. [32]Geserick P Cellular IAPs inhibit a cryptic CD95-induced cell death by limiting RIP1 kinase recruitment J Cell Biol 2009 187 1037 1054 20038679 PMC2806279
  2. [34]Oberst A Inducible dimerization and inducible cleavage reveal a requirement for both processes in caspase-8 activation J Biol Chem 285 16632 16642 20308068 PMC2878047

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Authors
Oberst, A., Dillon, C. P., Weinlich, R., McCormick, L. L., Fitzgerald, P., Pop, C., Hakem, R., Salvesen, G. S., & Green, D. R.
Affiliations
  • St. Jude Children's Research Hospital (US)
  • Sanford Burnham Prebys Medical Discovery Institute (US)
Corresponding author
Green, Douglas R.
Venue
Nature
Published
2011-03-02
Volume
471
Issue
7338
Pages
363-367
ISSN
  • 0028-0836 (ISSN-L)
  • 1476-4687
OpenAlex
W1975593978
Cited by
1,278
References
32
Citations by year
2026: 49 · 2025: 68 · 2024: 84 · 2023: 69 · 2022: 88 · 2021: 81 · 2020: 88 · 2019: 71 · 2018: 87 · 2017: 80 · 2016: 102 · 2015: 83 · 2014: 116 · 2013: 81 · 2012: 81
FWCI
42.03
Type
journal article
Language
en
Open access
Locations
  • Nature (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
Funders
  • Ariad Pharmaceuticals
  • National Institutes of Health
  • Canadian Institutes of Health Research
  • National Cancer Institute (P01CA069381)
  • National Institute of Allergy and Infectious Diseases (R01AI044828, R37AI044828)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Cell death mechanisms and regulation
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › NF-κB Signaling Pathways
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Inflammasome and immune disorders
Keywords
caspase-8, RIPK3, necroptosis, apoptosis, death receptors, Fas, embryonic lethality, Fas ligand, TNF-alpha resistance, cell death regulation, proteolytic complex, lymphocyte activation
MeSH terms
Animals, Cell Line, Female, Male, Necrosis, Phenotype, Tumor Necrosis Factor-alpha, Viral Proteins, Serpins, Apoptosis, fas Receptor, Multiprotein Complexes, Mice, Caspase 8, Receptor-Interacting Protein Serine-Threonine Kinases, CASP8 and FADD-Like Apoptosis Regulating Protein, Biocatalysis, Caspase Inhibitors

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